chore: standardise STICK_DEAD_ZONE define (#6677)

radio/src/targets/st16/CMakeLists.txt

@@ -7,7 +7,7 @@ option(GHOST "Ghost TX Module" ON)
 option(MODULE_SIZE_STD "Standard size TX Module" ON)
 option(LUA_MIXER "Enable LUA mixer/model scripts support" ON)
 option(DISK_CACHE "Enable SD card disk cache" ON)
-option(STICKS_DEAD_ZONE "Enable sticks dead zone" YES)
+option(STICK_DEAD_ZONE "Enable sticks dead zone" YES)
 
 set(FIRMWARE_QSPI YES)
 set(FIRMWARE_FORMAT_UF2 YES)
@@ -81,7 +81,7 @@ if(INTERNAL_GPS)
   add_definitions(-DGPS_USART_BAUDRATE=${INTERNAL_GPS_BAUDRATE})
 endif()
 
-if(STICKS_DEAD_ZONE)
+if(STICK_DEAD_ZONE)
   add_definitions(-DSTICK_DEAD_ZONE)
 endif()